19807424

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:230

約数の個数: 112

約数和(自身を含む): 51206400

約数和(自身を除く): 31398976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 179, 182, 208, 224, 247, 266, 304, 358, 364, 416, 448, 494, 532, 608, 716, 728, 832, 988, 1064, 1216, 1253, 1432, 1456, 1729, 1976, 2128, 2327, 2506, 2864, 2912, 3401, 3458, 3952, 4256, 4654, 5012, 5728, 5824, 6802, 6916, 7904, 8512, 9308, 10024, 11456, 13604, 13832, 15808, 16289, 18616, 20048, 23807, 27208, 27664, 32578, 37232, 40096, 44213, 47614, 54416, 55328, 65156, 74464, 80192, 88426, 95228, 108832, 110656, 130312, 148928, 176852, 190456, 217664, 260624, 309491, 353704, 380912, 521248, 618982, 707408, 761824, 1042496, 1237964, 1414816, 1523648, 2475928, 2829632, 4951856, 9903712, 19807424]

約数ペア:

[(1, 19807424), (2, 9903712), (4, 4951856), (7, 2829632), (8, 2475928), (13, 1523648), (14, 1414816), (16, 1237964), (19, 1042496), (26, 761824), (28, 707408), (32, 618982), (38, 521248), (52, 380912), (56, 353704), (64, 309491), (76, 260624), (91, 217664), (104, 190456), (112, 176852), (133, 148928), (152, 130312), (179, 110656), (182, 108832), (208, 95228), (224, 88426), (247, 80192), (266, 74464), (304, 65156), (358, 55328), (364, 54416), (416, 47614), (448, 44213), (494, 40096), (532, 37232), (608, 32578), (716, 27664), (728, 27208), (832, 23807), (988, 20048), (1064, 18616), (1216, 16289), (1253, 15808), (1432, 13832), (1456, 13604), (1729, 11456), (1976, 10024), (2128, 9308), (2327, 8512), (2506, 7904), (2864, 6916), (2912, 6802), (3401, 5824), (3458, 5728), (3952, 5012), (4256, 4654)]